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Hitag S Configuration Bytes
Page 1 (Configuration Bytes):
MSB
LSB
Byte:
3
Reserved
2
CON2
1
CON1
0
CON0
The Hitag S configuration bytes indicate the type of HS transponder and the mode of
operation. Please note that the MicroRWD H1/S module only supports Plain Memory mode
(default mode as set by Philips). Configuration bytes also control whether the memory blocks
are read/write or locked for read only access.
CON 0 (Read-only – Memory Type information)
b7 b6 b5 b4 b3 b2 b1 b0
CON 1 (Mode and Lock bits)
b7 b6 b5 b4 b3 b2 b1 b0
0
0 = S32 type (not supported)
Reserved
0
1
1
1 = S256 type
0 = S2048 type
1 = Reserved
Reserved
0 = Manchester LCON LKP
coding
O = Plain Memory mode
1 = Authentication mode not supported
LCON bit
(CON1 and CON2 access control):
0 = Read/Write
1 = CON1 read only, CON2 OTP
LKP bit
(Page 2 and Page 3 access control)
0 = Read/Write
1 = Read only.
CON 2 (Memory Lock bits)
b7 b6 b5 b4 b3 b2 b1 b0
Lock Page 48 –63 (0 = Read/Write, 1 = Read only)
Lock Page 32 - 47 (0 = Read/Write, 1 = Read only)
Lock Page 24 - 31 (0 = Read/Write, 1 = Read only)
Lock Page 16 - 23 (0 = Read/Write, 1 = Read only)
Lock Page 12 - 15 (0 = Read/Write, 1 = Read only)
Lock Page 8 - 11 (0 = Read/Write, 1 = Read only)
Lock Page 6 - 7 (0 = Read/Write, 1 = Read only)
Lock Page 4 - 5 (0 = Read/Write, 1 = Read only)
Note that CON2 (Memory Lock bits) are OTP (One-Time-Programmable) if LCON = 1
Note also that the “Reserved” bits must not be altered. Page 1 must be read first and the bits
that can be changed masked on/off before writing back.
13
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